Sears 247.37033 - Manual (Page 12)

Rinse the foam filter thoroughly in clear water.
Wrap in a clean cloth and squeeze (do not twist)
until completely dry, or allow to air dry.
Saturate with engine oil and squeeze (don’t
twist) to distribute oil and remove excess oil.
If necessary, replace paper filter (do not attempt
to clean). Install new filter on base.
Swing cover upward and align hinge on the
cover with that on the engine.
Tighten cover screw securely.
Clean Engine
Clean engine periodically. Remove dirt and
debris with a cloth or brush.
Frequently remove grass clippings, dirt and
debris from cooling fins, air intake screen and
levers and linkage. This will help ensure
adequate cooling and correct engine speed.
NOTE: Do not clean with a forceful spray of water as
water could contaminate the fuel system.
Spark Plug
• Clean spark plug and reset gap to .030" at least
once a season or every 50 hours of operation.
See Figure 10. Spark plug replacement is
recommended at the start of each season. Refer
to engine parts list for correct spark plug type.
NOTE: Do not sandblast spark plug. Sparkplug
should be cleaned by scraping or wire brushing and
washing with a commercial solvent.
Feeler gap .030”
Figure 10
Muffler
A
WARNING: Do not operate the lawn
mower without a muffler, or tamper with
the exhaust system. Damaged mufflers or
spark arresters could create a fire hazard.
Temperature of muffler and nearby areas
may exceed 150° F(65°C).
Inspect periodically, and replace if necessary. If
your engine is equipped with a spark arrester
screen assembly, remove every 50 hours for
cleaning and inspection. Replace if damaged.
LUBRICATION
(Refer to Figure 11.)
Wheels
• Lubricate the wheels at least once a season with
light oil or engine oil. Also, if the wheels are
removed for any reason, lubricate the surface of
the axle bolt and the inner surface of the wheel
with light oil.
Caster Assembly
• Grease fittings are provided for easy lubrication
of the swivel pins located on the front caster
assembly. Use a grease gun to lubricate the
casters every 25 operating hours or so.
Blade Control Handle
• Lubricate the pivot points on the blade control
handle and the brake cable at least once a
season with light oil. The blade control must
operate freely In both directions.
Figure 11
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